--- /dev/null
+/*
+ * pvrusb2-dvb.c - linux-dvb api interface to the pvrusb2 driver.
+ *
+ * Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "dvbdev.h"
+#include "pvrusb2-hdw-internal.h"
+#include "pvrusb2-hdw.h"
+#include "pvrusb2-dvb.h"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+static int pvr2_dvb_start_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+ printk(KERN_DEBUG "start pid: 0x%04x, feedtype: %d\n",
+ dvbdmxfeed->pid, dvbdmxfeed->type);
+ return 0; /* FIXME: pvr2_dvb_ctrl_feed(dvbdmxfeed, 1); */
+}
+
+static int pvr2_dvb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+ printk(KERN_DEBUG "stop pid: 0x%04x, feedtype: %d\n",
+ dvbdmxfeed->pid, dvbdmxfeed->type);
+ return 0; /* FIXME: pvr2_dvb_ctrl_feed(dvbdmxfeed, 0); */
+}
+
+static int pvr2_dvb_adapter_init(struct pvr2_dvb_adapter *adap)
+{
+ int ret;
+
+ ret = dvb_register_adapter(&adap->dvb_adap, "pvrusb2-dvb",
+ THIS_MODULE/*&hdw->usb_dev->owner*/,
+ &adap->pvr->hdw->usb_dev->dev,
+ adapter_nr);
+ if (ret < 0) {
+ err("dvb_register_adapter failed: error %d", ret);
+ goto err;
+ }
+ adap->dvb_adap.priv = adap;
+
+ adap->demux.dmx.capabilities = DMX_TS_FILTERING |
+ DMX_SECTION_FILTERING |
+ DMX_MEMORY_BASED_FILTERING;
+ adap->demux.priv = adap;
+ adap->demux.filternum = 256;
+ adap->demux.feednum = 256;
+ adap->demux.start_feed = pvr2_dvb_start_feed;
+ adap->demux.stop_feed = pvr2_dvb_stop_feed;
+ adap->demux.write_to_decoder = NULL;
+
+ ret = dvb_dmx_init(&adap->demux);
+ if (ret < 0) {
+ err("dvb_dmx_init failed: error %d", ret);
+ goto err_dmx;
+ }
+
+ adap->dmxdev.filternum = adap->demux.filternum;
+ adap->dmxdev.demux = &adap->demux.dmx;
+ adap->dmxdev.capabilities = 0;
+
+ ret = dvb_dmxdev_init(&adap->dmxdev, &adap->dvb_adap);
+ if (ret < 0) {
+ err("dvb_dmxdev_init failed: error %d", ret);
+ goto err_dmx_dev;
+ }
+
+ dvb_net_init(&adap->dvb_adap, &adap->dvb_net, &adap->demux.dmx);
+
+ adap->digital_up = 1;
+
+ return 0;
+
+err_dmx_dev:
+ dvb_dmx_release(&adap->demux);
+err_dmx:
+ dvb_unregister_adapter(&adap->dvb_adap);
+err:
+ return ret;
+}
+
+static int pvr2_dvb_adapter_exit(struct pvr2_dvb_adapter *adap)
+{
+ if (adap->digital_up) {
+ printk(KERN_DEBUG "unregistering DVB devices\n");
+ dvb_net_release(&adap->dvb_net);
+ adap->demux.dmx.close(&adap->demux.dmx);
+ dvb_dmxdev_release(&adap->dmxdev);
+ dvb_dmx_release(&adap->demux);
+ dvb_unregister_adapter(&adap->dvb_adap);
+ adap->digital_up = 0;
+ }
+ return 0;
+}
+
+static int pvr2_dvb_frontend_init(struct pvr2_dvb_adapter *adap)
+{
+ struct pvr2_dvb_props *dvb_props = adap->pvr->hdw->hdw_desc->dvb_props;
+
+ if (dvb_props == NULL) {
+ err("fe_props not defined!");
+ return -EINVAL;
+ }
+
+ if (dvb_props->frontend_attach == NULL) {
+ err("frontend_attach not defined!");
+ return -EINVAL;
+ }
+
+ if ((dvb_props->frontend_attach(adap) == 0) && (adap->fe)) {
+
+ if (dvb_register_frontend(&adap->dvb_adap, adap->fe)) {
+ err("frontend registration failed!");
+ dvb_frontend_detach(adap->fe);
+ adap->fe = NULL;
+ return -ENODEV;
+ }
+
+ if (dvb_props->tuner_attach)
+ dvb_props->tuner_attach(adap);
+
+ if (adap->fe->ops.analog_ops.standby)
+ adap->fe->ops.analog_ops.standby(adap->fe);
+
+ } else {
+ err("no frontend was attached!");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static int pvr2_dvb_frontend_exit(struct pvr2_dvb_adapter *adap)
+{
+ if (adap->fe != NULL) {
+ dvb_unregister_frontend(adap->fe);
+ dvb_frontend_detach(adap->fe);
+ }
+ return 0;
+}
+
+int pvr2_dvb_init(struct pvr2_context *pvr)
+{
+ int ret = 0;
+
+ pvr->hdw->dvb.pvr = pvr;
+
+ ret = pvr2_dvb_adapter_init(&pvr->hdw->dvb);
+ if (ret < 0)
+ goto fail;
+
+ ret = pvr2_dvb_frontend_init(&pvr->hdw->dvb);
+fail:
+ return ret;
+}
+
+int pvr2_dvb_exit(struct pvr2_context *pvr)
+{
+ pvr2_dvb_frontend_exit(&pvr->hdw->dvb);
+ pvr2_dvb_adapter_exit(&pvr->hdw->dvb);
+
+ pvr->hdw->dvb.pvr = NULL;
+
+ return 0;
+}
projects / GitHub / LineageOS / android_kernel_samsung_universal7580.git / commitdiff